Trotter and Associates, Inc. (TAI) has the expertise to meet all your structural engineering needs.  Our dedicated staff can assist you with structural repairs, building restoration, and repurposing of your existing facilities as well as designing plant expansion and new structures.  We also offer bridge inspections, design of earth retention structures, and construction engineering services. By keeping the needs of our client in the forefront, both during construction as well as through the life of the structure, we can develop solutions that are both cost-effective and engineered specific to your situation.

Our building experience covers a wide range of structures utilizing aluminum, concrete, masonry, precast, steel, and timber.  We offer the following services:

  • Structure expansion and additions to water and wastewater treatment facilities
  • Structural Inspection of facilities
  • Structural Investigation and solutions for distressed component(s)
  • Modification and renovation of existing structures
  • Retaining wall design and repair
  • Foundation design and analyses
  • Tank design and modification

Other services that we provide include the following:

  • IDOT Program Manager and Bridge Inspection
  • Pedestrian Bridge design
  • Earth Retention Systems for construction or permanent situations
  • Formwork design
  • Structural Shoring
  • Retaining wall design and repair
  • Contractor engineering services